Drummond Mill Pond
Drummond Mill Pond is an earth dam located in Bayfield County, Wisconsin, built in 1889. It carries a High hazard potential classification and has a fair condition assessment.
About Drummond Mill Pond
The primary purpose of Drummond Mill Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wisconsin Department Of Transportation (state). It impounds the Long Lake Branch White near Drummond.
The dam stands 24 feet tall and stretches 130 feet across, creates a reservoir covering 62 acres, has a maximum storage capacity of 450 acre-feet, and collects water from a drainage area of 45 square miles. Completed in 1889, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/05/2020.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Wisconsin dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wisconsin |
| County | Bayfield |
| Nearest City | Drummond |
| River/Stream | Long Lake Branch White |
| Coordinates | 46.33127, -91.26134 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 130 ft |
| Year Completed | 1889 (137 years old) |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 62 acres |
| Drainage Area | 45 sq mi |
| Max Discharge | 780 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Wisconsin Department of Transportation |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 10/05/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00064 |
| Federal ID | WI00064 |
| More Info | State Dam Safety Program |